N=int(input())
L=list(map(int,input().split()))
L=sorted(L)
count=0
if N==1 and N==2:
    print(0)
else:
    for i in range(N-2):
        for j in range(i+1,N-1):
            if L[i]!=L[j]:
                for k in range(j+1,N):
                    if L[j]<L[k] and L[k]<L[i]+L[j]:
                        count+=1
    print(count) N=int(input()) N int(input()) int input() input L=list(map(int,input().split())) L list(map(int,input().split())) list map(int,input().split()) map int input().split() ().split () input split L=sorted(L) L sorted(L) sorted L count=0 count 0 if N==1 and N==2:
    print(0)
else:
    for i in range(N-2):
        for j in range(i+1,N-1):
            if L[i]!=L[j]:
                for k in range(j+1,N):
                    if L[j]<L[k] and L[k]<L[i]+L[j]:
                        count+=1
    print(count) N==1 and N==2 N==1 N 1 N==2 N 2 print(0) print 0 for i in range(N-2):
        for j in range(i+1,N-1):
            if L[i]!=L[j]:
                for k in range(j+1,N):
                    if L[j]<L[k] and L[k]<L[i]+L[j]:
                        count+=1
     i range(N-2) range N-2 N 2 for j in range(i+1,N-1):
            if L[i]!=L[j]:
                for k in range(j+1,N):
                    if L[j]<L[k] and L[k]<L[i]+L[j]:
                        count+=1
     j range(i+1,N-1) range i+1 i 1 N-1 N 1 if L[i]!=L[j]:
                for k in range(j+1,N):
                    if L[j]<L[k] and L[k]<L[i]+L[j]:
                        count+=1
     L[i]!=L[j] L[i] L i L[j] L j for k in range(j+1,N):
                    if L[j]<L[k] and L[k]<L[i]+L[j]:
                        count+=1
     k range(j+1,N) range j+1 j 1 N if L[j]<L[k] and L[k]<L[i]+L[j]:
                        count+=1
     L[j]<L[k] and L[k]<L[i]+L[j] L[j]<L[k] L[j] L j L[k] L k L[k]<L[i]+L[j] L[k] L k L[i]+L[j] L[i] L i L[j] L j count+=1 count 1 print(count) print count N=int(input()) int(input()) N count=0 0 count L=sorted(L) sorted(L) L count+=1 1 count L=list(map(int,input().split())) list(map(int,input().split())) L
N=int(input())
L=list(map(int,input().split()))
L=sorted(L)
count=0
if N==1 and N==2:
    print(0)
else:
    for i in range(N-2):
        for j in range(i+1,N-1):
            if L[i]!=L[j]:
                for k in range(j+1,N):
                    if L[j]<L[k] and L[k]<L[i]+L[j]:
                        count+=1
    print(count)